Home / 1,324,871.60-1,828,329.74-721,263.92

Finding the Fourth Proportional to 1,324,871.60, 1,828,329.74 and 721,263.92

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Solution

The fourth proportional to 1,324,871.60, 1,828,329.74 and 721,263.92 is: 995,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,871.60 : 1,828,329.74 = 721,263.92 : x
  2. Step 2: Convert to fraction form
    1,324,871.60/1,828,329.74 = 721,263.92/x
  3. Step 3: Cross multiply
    1,324,871.60x = 1,828,329.74 × 721,263.92
  4. Step 4: Simplify right side
    1,324,871.60x = 1,318,708,275,324.98
  5. Step 5: Solve for x
    x = 1,318,708,275,324.98/1,324,871.60
  6. Step 6: Final answer
    x = 995,347.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.